feat: Contrib azure provider with synapse/mssql offline store and Azure registry store

[kevjumba]

What this PR does / why we need it: Moving https://github.com/Azure/feast-azure feast_azure_provider package into feast as contrib. Does not move the kubernetes cluster configuration.

Which issue(s) this PR fixes:

Fixes #

[codecov-commenter]

Codecov Report

Merging #3072 (516ff76) into master (29f2895) will increase coverage by 8.16%. The diff coverage is 44.50%.

@@            Coverage Diff             @@
##           master    #3072      +/-   ##
==========================================
+ Coverage   67.86%   76.03%   +8.16%     
==========================================
  Files         176      214      +38     
  Lines       15507    17897    +2390     
==========================================
+ Hits        10524    13608    +3084     
+ Misses       4983     4289     -694     

Flag	Coverage Δ
integrationtests	66.96% <42.94%> (-0.91%)	:arrow_down:
unittests	57.87% <40.31%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
sdk/python/feast/data_source.py	81.68% <ø> (+23.44%)	:arrow_up:
sdk/python/feast/feature_store.py	85.60% <ø> (+3.66%)	:arrow_up:
sdk/python/feast/infra/provider.py	77.94% <ø> (ø)
sdk/python/feast/infra/registry/registry.py	80.83% <ø> (+5.20%)	:arrow_up:
...sts/integration/registration/test_universal_cli.py	100.00% <ø> (ø)
setup.py	0.00% <0.00%> (ø)
sdk/python/feast/type_map.py	57.62% <10.52%> (-2.75%)	:arrow_down:
sdk/python/feast/repo_config.py	87.54% <25.00%> (+4.40%)	:arrow_up:
sdk/python/feast/inference.py	85.39% <33.33%> (-0.66%)	:arrow_down:
...ffline_stores/contrib/mssql_offline_store/mssql.py	38.42% <38.42%> (ø)
... and 119 more

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[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adchia, kevjumba

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[adchia]

/lgtm

[bgalvao]

Hi, I am wondering if it is possible to use this for a self-hosted MSSQL Server database as an Offline Store?